Furuno IB-681 manual RF Conv Board CPU2 Board, R135, J10

Page 33

6.Version -1 of the CPU 2 Board, solder a harness of cable assy. (supplied) to the loca- tion shown in the illustration below. Connect other side of cable assy. to J10 on the RF CONV board.

U65

U67

JP2

BT1

CPU2 BOARD 16P0133

U5

DIP SW S1

	GND
HSD ON	U37	U8
HSD ON	7	U8
U55	U56

12

Part side

C75

CPU2 Board PH5P	RF CONV Board
	J10

U567

U5512

4

1

1

2

Cable assy.

Figure 18 CPU 2 Board Version 1

7.For version -2 and after of the CPU2 Board, connect the cable assy. (supplied) between J7 on the CPU2 Board and J10 on the RF CONV Board.

POWER

DIMMER

LOCK

J7

		INMARSAT-
		MOBILE		B
				EARTH	STATION
					STATION
		COMPASS
		BEARING
AOR-		ELEVATION
AOR-		S	LEVEL
AOR-WEST			LEVEL
POR	EAST	TEL
I		TEL		1
OR		TEL		1
		TEL		2
READY		TEL		3
TX		TEL		4
FAIL		TEL		5
FAIL		TEL		5
		TEL		6
		TELEX
		DATA

	CPU2 Board
	Cable assy.
	RF CONV Board	CPU2 Board
	J10 (PH2P)	J7 (PH5P)
	1 GND	1 P20 (HSD ON)
	2 HSD ON	2 P21
	R135	3 P23
	R135	4 GND
	J10	4 GND
	J10	5
	Marked
	point

RF CONV Board

Figure 19 Communication unit, cover removed, right side view

8. Replace the rear panel for the communication unit manufactured before 7/98.

23

Image 33

Contents Page B . N o . O M E 5 6 0 9 Safety Information for the Operator Safety InstructionsElectrical Shock Hazard Safety Information for the InstallerTable of Contents Declaration of conformity to type Appendix Usage TipsIntroduction FeaturesInstallation Materials CP16-01602 Installation Materials CP16-01601Equipment List Complete SetInstallation Materials CP16-01603 Installation Materials CP16-01605Optional Equipment IB-181 System ConfigurationIB-281 IB-681Overview Control DescriptionFront panel IB-681, rear view Rear panelSwitch Panel Settings SettingsDIP switches Data rateSW2 Terminal interface Terminal Unit Settings OID/DID and IMN SettingsRegistering subscriber number Registering, Deleting Subscriber NumberDeleting subscriber number Confirming subscriber numberOperation CallingAutomatic HSD call Manual call Tone Name FrequencyInterval Automatic call mode and receiving operation ReceivingSW1 State Remarks Receiving and automatic data rate switching V.25bis Command, IndicationCommand Name Description SW3 State RemarksIndication Description Command DescriptionCall Sequence Direct call setup sequenceAddress call setup sequence Address call setup sequenceManual call setup sequence Manual call setup sequenceCall clear sequence from land Automatic call clear sequenceManual call clear sequence Manual call clear sequenceMaintenance Maintenance & TroubleshootingCleaning Resetting the circuit breakerThen Troubleshooting for the UserGeneral CallingMounting procedure InstallationMounting Mounting locationWiring between HSD modem and router WiringRS-449 Interface Modifying the RF Conv board in the communication unitCPU2 Board 16P0133 Antenna cable Position of R135 LengthRF Conv Board CPU2 Board RF Conv BoardR135 J10Mounting of connector assy Sub 9 pin Rear Panel BoardWiring between HSD modem and communication unit GroundJ11 Propagation delay Circuit delayRouter setting for network connection Communication with other makes of Inmarsat-B terminalsNetwork configuration Syuchronous -asynchronous adapter Land Earth Station IOR Etilat IB-681 Page Page Page Index